列表框控件多用于一组数据供用户选择，当列表框的客户区域不能完全显示所有数据时，会提供一个滚动条，用户可以一用滚动条浏览数据，本例介绍列表框的主要应用，功能包括，添加数据，查找数据，当前数据，列举文件-The list box control is used for a set of data for the user to select, when the list box client area can not display all the data, will provide a scroll bar, users can use a scroll bar to browse the data, introducing a list box in this case the main application, functional include adding data, find data, current data, listed in the file